Iron is a constituent of several plant enzymes and is essential in the formation of chloroplyll. Magnesium availability is not significantly affected by the pH but it does become more available for plant uptake as the pH of the hydroponic or soil solution increases. The symptoms show up as yellow leaves with green veins (interveinal chlorosis). Magnesium is mobile within the plant so deficiency symptoms appear first in older leaves. Magnesium is also used by plants for the metabolism of carbohydrates and in the cell membrane stabilization. It also aids in the activation of many plant enzymes needed for growth and contributes to protein synthesis. Chlorophyll is the pigment that gives plants their green color and carries out the process of photosynthesis. The most important role of magnesium is as the central atom in the chlorophyll molecule. Magnesium is the powerhouse behind photosynthesis in plants. Therefore, it is necessary to have a constant supply of calcium for continued growth. ![]() Since calcium mobility in plants is limited, calcium deficiency will appear in younger leaves (die back or burns) and in fruits (blossom end rot, bitter pit), because they have a very low transpiration rate. Salinity buildup might also cause calcium deficiency because it decreases the water uptake by the plant. Conditions of high humidity, cold and a low transpiration rates may result in calcium deficiency. Calcium is also used in activating certain enzymes and to send signals that coordinate certain cellular activities and helps protects plants against heat stress by improving stomatal function.Ĭalcium is not mobile within the plant and relies on the transpiration process to be taken up by the plant roots. ![]() When calcium is deficient, new tissue such as root tips, young leaves, and shoot tips often exhibit distorted growth from improper cell wall formation. Function of Calcium in PlantsĬalcium, in the form of calcium pectate, is responsible for holding together the cell walls of plants. ![]() Blue Planet Nutrients Cal-Mag is a plant supplement designed to correct the problem of calcium, magnesium and iron deficiencies and is a highly beneficial bio-catalyst for plants.
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